1 /* PR target/25199 */
2 /* { dg-do compile } */
3 /* { dg-options "-Os -mtune=pentium4" } */
4 /* { dg-require-effective-target ia32 } */
5
6 struct S
7 {
8 void *p[30];
9 unsigned char c[4];
10 };
11
12 unsigned char d;
13
14 void
foo(struct S * x)15 foo (struct S *x)
16 {
17 register unsigned char e __asm ("esi");
18 e = x->c[3];
19 __asm __volatile ("" : : "r" (e));
20 e = x->c[0];
21 __asm __volatile ("" : : "r" (e));
22 }
23
24 /* { dg-final { scan-assembler-not "movl\[ \t\]*123" } } */
25 /* { dg-final { scan-assembler "movzbl\[ \t\]*123" } } */
26 /* { dg-final { scan-assembler "mov(zb)?l\[ \t\]*120" } } */
27